Home / 1,140,480.32-1,573,980-657,063.68

Finding the Fourth Proportional to 1,140,480.32, 1,573,980 and 657,063.68

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Solution

The fourth proportional to 1,140,480.32, 1,573,980 and 657,063.68 is: 906,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,480.32 : 1,573,980 = 657,063.68 : x
  2. Step 2: Convert to fraction form
    1,140,480.32/1,573,980 = 657,063.68/x
  3. Step 3: Cross multiply
    1,140,480.32x = 1,573,980 × 657,063.68
  4. Step 4: Simplify right side
    1,140,480.32x = 1,034,205,091,046.40
  5. Step 5: Solve for x
    x = 1,034,205,091,046.40/1,140,480.32
  6. Step 6: Final answer
    x = 906,815.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.